<< Back to Chemical Sampling Information

Chemical Sampling Information (CSI)
Search (use word(s)/phrase)
Table of Contents
By Name
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z

By CAS Number
Quick Links

General Description

Synonyms: HCBD; 1,3-Hexachlorobutadiene; Perchlorobutadiene

OSHA IMIS Code Number: H109

Chemical Abstracts Service (CAS) Registry Number: 87-68-3

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: EJ0700000; 21340

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN2279 Keep Away From Food

Chemical Description and Physical Properties:

clear, colorless liquid
vapor pressure: 22 mm (100°C)
molecular formula: C4C16
boiling point: 210-220°C

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.02 ppm, 0.21 mg/m3 TWA (Skin); Appendix A3 (Confirmed Animal Carcinogen with Unknown Relevance to Humans)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.02 ppm TWA (Skin); Potential carcinogen

Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC): Group 3, not classifiable as to its carcinogenicity to humans
Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: XAD-2 Tube (100/50 mg sections, 20/50 mesh)
    analytical solvent: Hexane
    maximum volume:
    100 Liters
    maximum flow rate: 0.2 L/min
    current analytical method: Gas Chromatography; GC/ECD
    method reference: 1 (NIOSH 307)
    sampling analytical error: 0.15
    method classification: Partially Validated
    note: Protect samples from light at all times.

** All Trademarks are the property of their respective owners.